Contents

Construction of Orthogonal Group Divisible Designs

Zhang Xuebin 1
1Nanjing Architectral and Civil Engineering Institute Nanjing, China

Abstract

In this paper, we introduce some concepts relating to idempotent ordered orthogonal quasigroups (IOOQ), ordered orthogonal Steiner triple systems (ordered OSTS), and ordered orthogonal group divisible designs (ordered OGDD), and use them to obtain some construction methods for OGDD.